15 The leech has two daughters; "Give, give," they cry. Three things are never satisfied; four never say, "Enough":
18 Three things are too wonderful for me; four I do not understand:
21 Under three things the earth trembles; under four it cannot bear up:
24 Four things on earth are small, but they are exceedingly wise:
29 Three things are stately in their tread; four are stately in their stride: